package com.example.tests;

import static org.hamcrest.Matchers.equalTo;
import static org.junit.Assert.assertThat;

import java.util.Random;

import org.testng.annotations.Test;

import com.example.utils.SortedListOf;

public class GroupModificationTests extends TestBase {
	
	 @Test(dataProvider = "randomValidGroupGenerator")
		public void modifySomeGroup (GroupData group) {
	        
	        //save old state
		 	SortedListOf<GroupData> oldList = app.getGroupHelper().getGroups();
	  
	        Random rnd = new Random();
	        int index = rnd.nextInt(oldList.size()-1);
	        
	        //actions
	        //app.getGroupHelper().returnToGroupsPage();
	        
	        app.getGroupHelper().modifyGroup(index, group);
	    	
	    	//save new state
	        SortedListOf<GroupData> newList = app.getGroupHelper().getGroups();
	        
	        //compare states
	        assertThat(newList, equalTo(oldList.without(index).withAdded(group)));
	    }

}
